What is CVE-2026-23246?

CVE-2026-23246 is a high-severity vulnerability in Linux, classified under Improper Validation of Array Index. CVSS score: 8.8/10. Published 2026-03-18.

How severe is CVE-2026-23246?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Linux

CVE-2026-23246

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration link_id is taken from the ML Reconfiguration element (control & 0x000f), so it can be 0..15. link_re…

EPSS: 0.000 (1.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c, 6.5, 0
Linux Linux_kernel — versions 6.5, 7.0

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-23246?: CVE-2026-23246 is a high-severity vulnerability in Linux, classified under Improper Validation of Array Index. CVSS score: 8.8/10. Published 2026-03-18.
How severe is CVE-2026-23246?: High severity. CVSS v3 base score is 8.8 out of 10.